<template>
  <div class="app-container">
    <el-row :gutter="20">
      <splitpanes :horizontal="appStore.device === 'mobile'" class="default-theme">
        <!--目录数据-->
        <pane size="16">
          <el-col>
            <div class="head-container">
              <el-input v-model="cataName" placeholder="请输入目录名称" clearable prefix-icon="Search" style="margin-bottom: 20px" />
            </div>
            <div class="head-container">
              <el-tree :data="catalogOptions" :props="{ label: 'name', children: 'children' }" :expand-on-click-node="false" :filter-node-method="filterNode" ref="cataTreeRef" node-key="id" highlight-current default-expand-all @node-click="handleNodeClick" />
            </div>
          </el-col>
        </pane>
        <!--元数据-->
        <pane size="84">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">     
      <el-form-item label="数据项" prop="searchValue">
        <el-input
          v-model="queryParams.searchValue"
          placeholder="请输入数据项名/编号"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item label="类型" prop="type">
        <el-select v-model="queryParams.type" placeholder="请选择类型" clearable style="width:120px">
          <el-option
            v-for="dict in meta_type"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择状态" clearable style="width:120px">
          <el-option
            v-for="dict in ext_status"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button v-if="queryParams.cataId"
          type="primary"
          plain
          icon="Plus"
          @click="handleAdd"
          v-hasPermi="['base:meta:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="Delete"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['base:meta:remove']"
        >删除</el-button>
      </el-col>

      <el-col :span="1.5">
        <el-button type="info" plain icon="Upload" @click="handleImport" v-hasPermi="['base:meta:import']">导入</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="Download"
          @click="handleExport"
          v-hasPermi="['base:meta:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="metaList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="数据目录" align="center" prop="cataName" />
      <el-table-column label="编号" align="center" prop="num">        
        <template #default="scope">
            <router-link :to="'/base/meta/space/' + scope.row.id" class="link-type" v-if="scope.row.type =='enum'">
              <span>{{ scope.row.num }}</span>
            </router-link>
          <span v-else>{{scope.row.num}}</span>
        </template>
      </el-table-column>
      <el-table-column label="数据项名" align="center" prop="name" />
      <el-table-column label="中文简称" align="center" prop="sname" />
      <el-table-column label="类型" align="center" prop="type">
        <template #default="scope">
          <dict-tag :options="meta_type" :value="scope.row.type"/>
        </template>
      </el-table-column>
      <el-table-column label="长度" align="center" prop="length" />
      <el-table-column label="约束" align="center" prop="optional" />
      <el-table-column label="解释/举例" align="center" prop="remark" />
      <el-table-column label="引用编号" align="center" prop="rel" />
      <el-table-column label="状态" align="center" prop="status">
        <template #default="scope">
          <dict-tag :options="ext_status" :value="scope.row.status"/>
        </template>
      </el-table-column>
      <el-table-column label="排序" align="center" prop="sorts" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)" v-hasPermi="['base:meta:edit']">修改</el-button>
          <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)" v-hasPermi="['base:meta:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize"
      @pagination="getList"
    />
        </pane>
      </splitpanes>
    </el-row>

    <!-- 添加或修改元数据对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="metaRef" :model="form" :rules="rules" label-width="80px">
               <el-tabs v-model="tab">
                  <el-tab-pane label="基本信息" name="base">
        <el-form-item label="数据目录" prop="cataId">
          <el-tree-select
            v-model="form.cataId"
            :data="catalogOptions"
            :props="{ value: 'id', label: 'name', children: 'children' }"
            value-key="id"
            placeholder="请选择数据目录"
            check-strictly
          />
        </el-form-item>
        <el-form-item label="编号" prop="num">
          <el-input v-model="form.num" placeholder="请输入编号" />
        </el-form-item>
        <el-form-item label="数据项名" prop="name">
          <el-input v-model="form.name" placeholder="请输入数据项名" />
        </el-form-item>
        <el-form-item label="中文简称" prop="sname">
          <el-input v-model="form.sname" placeholder="请输入中文简称" />
        </el-form-item>
        <el-form-item label="类型" prop="type">
          <el-select v-model="form.type" placeholder="请选择类型">
            <el-option
              v-for="dict in meta_type"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="长度" prop="length">
          <el-input v-model="form.length" placeholder="请输入长度" />
        </el-form-item>
        <el-form-item label="约束" prop="optional">
          <el-input v-model="form.optional" placeholder="请输入约束" />
        </el-form-item>
        <el-form-item label="状态" prop="status">
          <el-radio-group v-model="form.status">
            <el-radio
              v-for="dict in ext_status"
              :key="dict.value"
              :label="dict.value"
            >{{dict.label}}</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="排序" prop="sorts">
          <el-input v-model="form.sorts" placeholder="请输入排序" />
        </el-form-item>
                  </el-tab-pane>
                  <el-tab-pane label="值空间" name="val">
        <el-form-item label="值空间" prop="space">
          <el-input v-model="form.space" type="textarea" rows="13" placeholder="请输入键值对" />
        </el-form-item>
        <el-form-item label="解释/举例" prop="remark">
          <el-input v-model="form.remark" placeholder="请输入解释/举例" />
        </el-form-item>
        <el-form-item label="引用编号" prop="rel">
          <el-input v-model="form.rel" placeholder="请输入引用编号" />
        </el-form-item>
          <el-text class="w-150px mb-2" type="warning">
            提示：值空间是当前元数据的有效值范围，如性别：1=男，一行一条!
          </el-text>
                  </el-tab-pane>
               </el-tabs>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>


    <!-- 导入对话框 -->
    <el-dialog :title="upload.title" v-model="upload.open" width="400px" append-to-body>
      <el-upload ref="uploadRef" :limit="1" accept=".xlsx, .xls" :headers="upload.headers" :action="upload.url + '?updateSupport=' + upload.updateSupport" :disabled="upload.isUploading" :on-progress="handleFileUploadProgress" :on-success="handleFileSuccess" :auto-upload="false" drag>
        <el-icon class="el-icon--upload"><upload-filled /></el-icon>
        <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
        <template #tip>
          <div class="el-upload__tip text-center">
            <div class="el-upload__tip">
              <el-checkbox v-model="upload.updateSupport" />是否更新已经存在的数据
            </div>
            <span>仅允许导入xls、xlsx格式文件。</span>
            <el-link type="primary" :underline="false" style="font-size: 12px; vertical-align: baseline" @click="importTemplate">下载模板</el-link>
          </div>
        </template>
      </el-upload>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitFileForm">确 定</el-button>
          <el-button @click="upload.open = false">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="Meta">
import { getToken } from "@/utils/auth";
import useAppStore from '@/store/modules/app'
import { listMeta, getMeta, delMeta, addMeta, updateMeta } from "@/api/base/meta";
import { listCatalog } from "@/api/base/catalog";
import { Splitpanes, Pane } from "splitpanes"
import "splitpanes/dist/splitpanes.css"

const { proxy } = getCurrentInstance();
const { meta_type, ext_status } = proxy.useDict('meta_type', 'ext_status');

const appStore = useAppStore()
const metaList = ref([]);
const open = ref(false);
const loading = ref(true);
const showSearch = ref(true);
const ids = ref([]);
const single = ref(true);
const multiple = ref(true);
const total = ref(0);
const title = ref("");
const tab = ref("base");
const cataName = ref("");
const catalogOptions = ref([]);

/*** 导入参数 */
const upload = reactive({
// 是否显示弹出层
  open: false,
// 弹出层标题
  title: "",
// 是否禁用上传
  isUploading: false,
// 是否更新已经存在的数据
  updateSupport: 0,
// 设置上传的请求头部
  headers: { Authorization: "Bearer " + getToken() },
// 上传的地址
  url: import.meta.env.VITE_APP_BASE_API + "/base/meta/importData"
});

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    cataId: null,
    num: null,
    name: null,
    sname: null,
    type: null,
    length: null,
    optional: null,
    space: null,
    rel: null,
    status: null,
    searchValue: null,
  },
  rules: {
    cataId: [
      { required: true, message: "所属分类不能为空", trigger: "blur" }
    ],
    num: [
      { required: true, message: "编号不能为空", trigger: "blur" }
    ],
    name: [
      { required: true, message: "数据项名不能为空", trigger: "blur" }
    ],
    type: [
      { required: true, message: "类型不能为空", trigger: "change" }
    ],
    length: [
      { required: true, message: "长度不能为空", trigger: "blur" }
    ],
    optional: [
      { required: true, message: "约束不能为空", trigger: "blur" }
    ],
    space: [
      { required: true, message: "值空间不能为空", trigger: "blur" }
    ],
  }
});

const { queryParams, form, rules } = toRefs(data);

/** 查询元数据列表 */
function getList() {
  loading.value = true;
  listMeta(queryParams.value).then(response => {
    metaList.value = response.rows;
    total.value = response.total;
    loading.value = false;
  });
}

/** 查询数据目录下拉树结构 */
function getTreeselect() {
  listCatalog().then(response => {
    catalogOptions.value = proxy.handleTree(response.data, "id", "pid");
  });
}

/** 通过条件过滤节点  */
const filterNode = (value, data) => {
  if (!value) return true;
  return data.name.indexOf(value) !== -1;
};

/** 根据名称筛选部门树 */
watch(cataName, val => {
  proxy.$refs["cataTreeRef"].filter(val);
});

/** 节点单击事件 */
function handleNodeClick(data) {
  queryParams.value.cataId = data.id;
  handleQuery();
};

// 取消按钮
function cancel() {
  open.value = false;
  reset();
}

// 表单重置
function reset() {
  form.value = {
    id: null,
    cataId: queryParams.value.cataId,
    num: null,
    name: null,
    sname: null,
    type: null,
    length: null,
    optional: null,
    space: null,
    remark: null,
    rel: null,
    status: '1',
    sorts: 9,
    createBy: null,
    createTime: null,
    updateBy: null,
    updateTime: null
  };
  proxy.resetForm("metaRef");
  tab.value = 'base';
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1;
  getList();
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef");
  handleQuery();
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.id);
  single.value = selection.length != 1;
  multiple.value = !selection.length;
}

/** 新增按钮操作 */
function handleAdd() {
  reset();
  open.value = true;
  title.value = "添加元数据";
}

/** 修改按钮操作 */
function handleUpdate(row) {
  reset();
  const _id = row.id || ids.value
  getMeta(_id).then(response => {
    form.value = response.data;
    open.value = true;
    title.value = "修改元数据";
  });
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["metaRef"].validate(valid => {
    if (valid) {
      if (form.value.id != null) {
        updateMeta(form.value).then(response => {
          proxy.$modal.msgSuccess("修改成功");
          open.value = false;
          getList();
        });
      } else {
        addMeta(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功");
          open.value = false;
          getList();
        });
      }
    }
  });
}

/** 删除按钮操作 */
function handleDelete(row) {
  const _ids = row.id || ids.value;
  proxy.$modal.confirm('是否确认删除元数据编号为"' + _ids + '"的数据项？').then(function() {
    return delMeta(_ids);
  }).then(() => {
    getList();
    proxy.$modal.msgSuccess("删除成功");
  }).catch(() => {});
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download('base/meta/export', {
    ...queryParams.value
  }, `meta_${new Date().getTime()}.xlsx`)
}

/** 导入按钮操作 */
function handleImport() {
  upload.title = "元数据导入";
  upload.open = true;
};

/** 下载模板操作 */
function importTemplate() {
  proxy.download("base/meta/importTemplate", {
  }, `meta_template.xlsx`);
};

/**文件上传中处理 */
const handleFileUploadProgress = (event, file, fileList) => {
  upload.isUploading = true;
};

/** 文件上传成功处理 */
const handleFileSuccess = (response, file, fileList) => {
  upload.open = false;
  upload.isUploading = false;
  proxy.$refs["uploadRef"].handleRemove(file);
  proxy.$alert("<div style='overflow: auto;overflow-x: hidden;max-height: 70vh;padding: 10px 20px 0;'>" + response.msg + "</div>", "导入结果", { dangerouslyUseHTMLString: true });
  getList();
};

/** 提交上传文件 */
function submitFileForm() {
  proxy.$refs["uploadRef"].submit();
};

getList();
getTreeselect();
</script>
